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← TechnologyWhich outcome occurs when a PID temperature controller experiences integral windup in a chemical reactor's heating system?
A)Overshooting target temperature during setpoint changes✓
B)Unstable oscillations due to sensor lag
C)Stalling of the heating element indefinitely
D)Reduced controller responsiveness to disturbances
💡 Explanation
When integral windup occurs, the integrator accumulates error beyond the actuator's saturation limits, causing overshooting because the stored error is released all at once when the system finally responds. Therefore overshooting results, rather than oscillations, stalling, or reduced responsiveness that require specific control loop characteristics.
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